Saddlebag for a motorcycle



FIG. 1 is a right side view of a saddle bag for a motorcycle showing my design, the dotted lines showing a section of a motorcycle is for illustrative purposes only and forms no part of the claimed design;

FIG. 2 is a top, right side perspective view thereof;

FIG. 3 is a right side view of the saddle bag without the dotted lines of FIG. 1;

FIG. 4 is a left side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a front view thereof;

FIG. 7 is a back view thereof; and,

FIG. 8 is a bottom view thereof. 

I claim the ornamental design for a saddle bag for a motorcycle, as shown and described. 